8.5 sec in total
297 ms
3.9 sec
4.2 sec
Click here to check amazing LIBROS content for Spain. Otherwise, check out these important facts you probably never knew about libros.com
Publica tu libro por crowdfunding con el apoyo de los mecenas. Somos un espacio abierto a todo tipo de proyectos, desde novelas, poesía, relatos, hasta cómics o libros de fotografía. Gracias a la cola...
Visit libros.comWe analyzed Libros.com page load time and found that the first response time was 297 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
libros.com performance score
name
value
score
weighting
Value5.8 s
5/100
10%
Value37.3 s
0/100
25%
Value9.1 s
14/100
10%
Value1,400 ms
16/100
30%
Value0.332
34/100
15%
Value10.2 s
25/100
10%
297 ms
741 ms
88 ms
52 ms
174 ms
Our browser made a total of 140 requests to load all elements on the main page. We found that 94% of them (131 requests) were addressed to the original Libros.com, 2% (3 requests) were made to Cdn.jsdelivr.net and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Libros.com.
Page size can be reduced by 1.7 MB (8%)
20.8 MB
19.1 MB
In fact, the total size of Libros.com main page is 20.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 20.5 MB which makes up the majority of the site volume.
Potential reduce by 98.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 98.9 kB or 76% of the original size.
Potential reduce by 1.5 MB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. LIBROS images are well optimized though.
Potential reduce by 71.7 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 71.7 kB or 66% of the original size.
Potential reduce by 72.6 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Libros.com needs all CSS files to be minified and compressed as it can save up to 72.6 kB or 81% of the original size.
Number of requests can be reduced by 27 (20%)
134
107
The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LIBROS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
libros.com
297 ms
libros.com
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jquery.cookiebar.css
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jquery.min.js
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venobox.min.css
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libros.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
libros.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
libros.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
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ES
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N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libros.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Libros.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
libros.com
Open Graph description is not detected on the main page of LIBROS. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: